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https://issues.apache.org/jira/browse/DRILL-6554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16527923#comment-16527923
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ASF GitHub Bot commented on DRILL-6554:
---------------------------------------
vrozov commented on a change in pull request #1349: DRILL-6554: Minor code
improvements in parquet statistics handling
URL: https://github.com/apache/drill/pull/1349#discussion_r199217282
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetReaderUtility.java
##########
@@ -417,16 +417,9 @@ public static DateCorruptionStatus
checkForCorruptDateValuesInStatistics(Parquet
// column does not appear in this file, skip it
continue;
}
- Statistics statistics =
footer.getBlocks().get(rowGroupIndex).getColumns().get(colIndex).getStatistics();
- Integer max = (Integer) statistics.genericGetMax();
- if (statistics.hasNonNullValue()) {
- if (max > ParquetReaderUtility.DATE_CORRUPTION_THRESHOLD) {
- return DateCorruptionStatus.META_SHOWS_CORRUPTION;
- }
- } else {
- // no statistics, go check the first page
- return DateCorruptionStatus.META_UNCLEAR_TEST_VALUES;
- }
+ IntStatistics statistics =
(IntStatistics)footer.getBlocks().get(rowGroupIndex).getColumns().get(colIndex).getStatistics();
Review comment:
I don't see any specific code style in regards to spacing for casting (grep
-I -R \(\([a-zA-Z0-9_]*\)[a-zA-Z0-9_] * | grep -c java). It seems to be a
preference of a contributor.
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> Minor code improvements in parquet statistics handling
> ------------------------------------------------------
>
> Key: DRILL-6554
> URL: https://issues.apache.org/jira/browse/DRILL-6554
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: Vlad Rozov
> Assignee: Vlad Rozov
> Priority: Minor
> Fix For: 1.14.0
>
>
> Avoid setting statistics in Metadata when min and max are not defined and few
> other minor code improvements.
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